It is universally compatible with all cars, trucks, bikes, & motorcycles. Note: when using with the bicycle, pls use the USB cable connecting with a power bank. GPS speedometer: collecting real-time speed from GPS satellites Driving time and distance calculation and display Plug & play: Power through vehicle cigarette outlet jack; no professional installation is required Bracelet holder includes. Display MPH or KM/h - Simple push-button set up Auto adjust the brightness through sensor for day & night-time driving Over-speed warning: 3-second alarm beep and display flash will warn driver 93 beeps for over-speeding alert) Alarm mute function Screen display Modes: Mode A: Single Display Mode - Only speed in full screen Slide the toggle switch up and hold to see the driving speed only; repeat to see full information display. Mode B: Multifunctional Display Mode - Speed, Single Driving Time, Single Driving Mileage, and Car Voltage. Slide the toggle switch down and hold to see the time display at the bottom right corner; repeat to see the altitude display. Specifications:Size: 105*59*16.5mmWorking Logic: Get speed from gps satellite Package Included:1x GPS Speedometer1x USB Cable1x Installation accessories 1x User Manual
